关系数据库元数据处理类(一) 创建元数据实体 

1  /// <summary>
2     /// 数据库
3     /// </summary>
4     public class Database
5     {
6         public string Name { get; set; }
7     }
 1   /// 表
 2     /// </summary>
 3     public class Table
 4     {
 5         /// <summary>
 6         /// 所属数据库
 7         /// </summary>
 8         public string DatabaseName { get; set; }
 9 
10         /// <summary>
11         /// 数据库
12         /// </summary>
13         public Database Database { get; set; }
14 
15         /// <summary>
16         /// 表名称
17         /// </summary>
18         public string Name { get; set; }
19 
20         /// <summary>
21         /// 说明
22         /// </summary>
23         public string Explain { get; set; }
24 
25     }

 

 1 /// <summary>
 2     /// 字段
 3     /// </summary>
 4     public class Column
 5     {
 6         /// <summary>
 7         /// 所属表
 8         /// </summary>
 9         public string TableName { get; set; }
10 
11         /// <summary>
12         /// 表
13         /// </summary>
14         public Table Table { get; set; }
15 
16         /// <summary>
17         /// 名称
18         /// </summary>
19         public string Name { get; set; }
20 
21         /// <summary>
22         /// 是否是标知
23         /// </summary>
24         public bool IsMarke { get; set; }
25 
26         /// <summary>
27         /// 是否主键
28         /// </summary>
29         public bool IsPrimarykey { get; set; }
30 
31         /// <summary>
32         /// 类型
33         /// </summary>        
34         public string Type { get; set; }
35 
36         /// <summary>
37         /// 字节数
38         /// </summary>
39         public int Bytes { get; set; }
40 
41         /// <summary>
42         /// 长度
43         /// </summary>
44         public int Length { get; set; }
45 
46         /// <summary>
47         /// 小数位数
48         /// </summary>
49         public int DecimalPlaces { get; set; }
50 
51         /// <summary>
52         /// 是否允许空
53         /// </summary>
54         public bool IsNull { get; set; }
55 
56         /// <summary>
57         /// 默认值
58         /// </summary>
59         public string DefaultValue { get; set; }
60 
61         /// <summary>
62         /// 说明
63         /// </summary>
64         public string Explain { get; set; }
65     }
View Code
 1  /// <summary>
 2     /// 表关系
 3     /// </summary>
 4     public class Relation
 5     {
 6         /// <summary>
 7         /// 主键表
 8         /// </summary>
 9         public Table PrimaryTable { get; set; }
10 
11         public string PrimaryTableName { get; set; }
12 
13         /// <summary>
14         /// 外键表
15         /// </summary>
16         public Table ForeignTable { get; set; }
17 
18         public string ForeignTableName { get; set; }
19 
20         /// <summary>
21         /// 外键字段
22         /// </summary>
23         public Column ForeignKey { get; set; }
24 
25         public string ForeignKeyName { get; set; }
26 
27         /// <summary>
28         /// 主键字段
29         /// </summary>
30         public Column PrimaryKey { get; set; }
31 
32         public string PrimaryKeyName { get; set; }
33     }
View Code

 

posted @ 2014-04-07 11:23  OneWork  阅读(244)  评论(0)  编辑  收藏  举报